90° Socket Weld Elbow

‌90° socket weld elbows are made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.

90° socket weld elbow‌ is a high-pressure pipe connection fitting, mainly used in places that need to withstand high pressure and high temperature. It is a type of forged socket series pipe fittings, usually formed by round steel or steel ingot die forging blanks, and then machined on a lathe. The design of this elbow allows it to be used under high pressure and high temperature conditions, with high structural strength and corrosion resistance.

The materials of 90° socket weld elbow include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. ‌

90° socket weld elbow is a common pipe connector used to change the direction of the pipe. It has a wide variety of materials to meet the needs of different projects and applications. Common materials include:

‌Cast iron‌: has good corrosion resistance and wear resistance, suitable for some specific industrial and construction applications.

‌Stainless steel‌: has excellent corrosion resistance, especially suitable for environments that need to resist chemical corrosion. Stainless steel elbows can be divided into 201 material, 304 material, 304L material, 316 material, 316L material, etc. Among them, 304 and 316L are the two most commonly used materials, suitable for different corrosive environments.

‌Alloy steel‌: has high strength and corrosion resistance, suitable for high temperature and high pressure environments.

‌Mallet cast iron‌: has good plasticity and toughness, suitable for some applications that require high strength and toughness.

‌Carbon steel‌: Low cost, good machinability and strength, widely used in general industry and construction.

‌Non-ferrous metals‌: Such as copper, aluminum, etc., have good conductivity and corrosion resistance, suitable for specific electrical and chemical applications.

‌Plastic‌: Suitable for some low-pressure and non-critical applications, with good corrosion resistance and lightness.

The selection of these materials is based on specific application requirements, such as corrosion resistance, working pressure, temperature range and other factors. Each material has its specific advantages and applicable scenarios, so choosing the right material is crucial to ensure the safety and efficiency of the piping system.

The specifications and dimensions of 90° socket weld elbows involve many aspects, including nominal diameter, depth, wall thickness, etc. ‌

‌Nominal diameter (DN(in))‌ covers sizes from DN6 to DN40, specifically 6 1/8 (DN15), 10 (DN25), 15 1/2 (DN40), etc. ‌. ‌Depth of socket‌ includes different sizes such as 3.2, 3.8, 4.0, 4.5, 4.6, 5.0, 5.6, 6.3, 7.0, 8.9, etc., and the depth of each diameter is also listed in detail. ‌Wall thickness‌ also has detailed data, such as Sch80, Schl60, XXS, etc., and there are different wall thickness specifications according to different diameters. ‌ The dimensions from center to bottom of socket also have specific data, such as 8, 8 1/4, 10 3/8, etc. These data are crucial to ensure the accuracy and safety of installation.

1. Inspection and preparation: First, check the surface quality of the pipe and fittings to ensure that the connection parts are clean and intact, the mouth is properly chamfered, and the groove length is not more than 2.0mm.

2. Heating preparation: Insert the pipe and fitting into the heater at the same time without rotation, and heat the connection parts until the predetermined heating time is reached.

3. Socket connection: After heating, quickly and evenly push the pipe into the socket of the fitting to ensure that a uniform flange ring is formed around the socket.

4. Cooling: After the socket is completed, it is necessary to exceed the specified cooling time to ensure that the connection part is completely cooled before proceeding to the next step.